磁性Fe3O4纳米粒子的制备  

Preparation of Magnetic FeO Nanoparticles

作　　者：杨金子 张春燕 李进京[1] 王欣 张杰[1] YANG Jin-zi;ZHANG Chun-yan;LI Jin-jing;WANG Xin;ZHANG Jie(School of Pharmacy,Jiamusi University,Jiamusi 154007,China)

机构地区：[1]佳木斯大学药学院,黑龙江佳木斯154007

出　　处：《精细化工中间体》2020年第4期50-53,共4页Fine Chemical Intermediates

基　　金：黑龙江省省属本科高校基本科研业务费优秀创新团队建设项目(2018-KYYWF-0914);博士后研究人员落户黑龙江科研启动资助金;佳木斯大学大学生创新创业项目(2019xj05)。

摘　　要：磁性四氧化三铁(Fe3O4)纳米粒子以其比表面积大、低毒性和良好的生物相容性等物理化学性质而得到广泛关注。采用共沉淀法制备磁性四氧化三铁(Fe3O4)纳米粒子,并通过单因素实验优化制备工艺。结果表明,制备Fe3O4纳米粒子的优化工艺参数为:Fe2+与Fe3+浓度比为1.00∶1.50、铁盐浓度为0.30 mol·L^-1、反应温度为60℃、NaOH溶液的浓度为0.25 mol·L^-1。该条件下,Fe3O4纳米粒子形貌为球形,平均粒径为65.15 nm,饱和磁强度为63.5 emu·g^-1。Fe3O4 nanoparticles has attracted extensive attention due to their physicochemical properties such as large specific surface area,low toxicity and good biocompatibility.Fe3O4 nanoparticles were synthesized by co-precipitation method and the synthesis process was optimized by single factor experiment.The results indicated that the optimum synthesis parameter was as the followings:Fe2+∶Fe3+concentration ratio of 1.00∶1.50;ferric salt concentration of 0.30 mol·L^-1;reaction temperature of 60℃;NaOH concentration of 0.25 mol·L^-1.Under the optimal synthesis conditions,Fe3O4 nanoparticles morphology was spherical,the average particle size was 65.15 nm,the saturated magnetic intensity was 63.5 emu·g^-1.

关 键 词：FE3O4纳米粒子 共沉淀 制备 

分 类 号：TB383[一般工业技术—材料科学与工程]